I tried to bleed my brakes today, using my new Mityvac for the first time
ever. No matter how much I pumped it, I kept getting back mostly large air
bubbles, and the system never really bled properly. I made sure that there
was good sealing everywhere, and only opened the bleeder valve on the wheel
I was at. I had a good vacuum in the Mityvac, also. I finally went to the
conventional method of having someone pump the brake pedal, then hold it
down while I opened each bleeder valve, one by one, and got the system bled
properly. After I was finished, and the brakes were working fine, I tried
the Mityvac again, just to see if I still got mostly the large bubbles of
air, and I did!! Where is this air coming from?! I know it's not coming
from around where I have the Mityvac tubing connected to the bleeder valve,
because I've checked the vacuum reading, and it's good. I know I must be
doing something wrong, but I can't figure out what it is. I would sure like
to use the Mityvac system to bleed hydraulic lines, because then I could do
it without a helper. Can anyone enlighten me?
Thanks in advance!
Bob
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